City vs city
Harding-Birch Lakes vs Salcha, AK
Salcha currently scores 13 points higher overall than Harding-Birch Lakes, with the largest gap in lightning.
Use this comparison for relocation decisions, insurance shopping, and hazard-prioritized mitigation planning.
Hazard breakdown
Scores describe each city’s reference grid tile, not every property. A missing model is unavailable, not zero risk. Air quality is a current EPA AirNow signal; other factors describe baseline exposure. The overall score blends different hazards and is not a probability of damage. Read the scoring methodology and sources.
Overall
Harding-Birch Lakes: 7/100 · Salcha: 20/100
Salcha is 13 points higher.
Flood
Harding-Birch Lakes: Unavailable · Salcha: 42/100
A score difference cannot be calculated without both sources.
Harding-Birch Lakes: Flood model is not available for this location yet.
Salcha: FEMA NFHL flood zones: 5 features intersect this tile.
Wind
Harding-Birch Lakes: 18/100 · Salcha: 18/100
No gap.
Harding-Birch Lakes: Wind exposure derived from ingested design wind / climatology tiles.
Salcha: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Harding-Birch Lakes: 2/100 · Salcha: 1/100
Harding-Birch Lakes is 1 points higher.
Harding-Birch Lakes: Lightning exposure derived from ingested climatology tiles.
Salcha: Lightning exposure derived from ingested climatology tiles.
Tornado
Harding-Birch Lakes: Unavailable · Salcha: Unavailable
A score difference cannot be calculated without both sources.
Harding-Birch Lakes: Tornado model is not available for this location yet.
Salcha: Tornado model is not available for this location yet.
Hail
Harding-Birch Lakes: Unavailable · Salcha: Unavailable
A score difference cannot be calculated without both sources.
Harding-Birch Lakes: Hail model is not available for this location yet.
Salcha: Hail model is not available for this location yet.
Storm surge
Harding-Birch Lakes: Unavailable · Salcha: Unavailable
A score difference cannot be calculated without both sources.
Harding-Birch Lakes: Storm surge model is not available for this location yet.
Salcha: Storm surge model is not available for this location yet.
Wildfire
Harding-Birch Lakes: Unavailable · Salcha: Unavailable
A score difference cannot be calculated without both sources.
Harding-Birch Lakes: Wildfire model is not available for this location yet.
Salcha: Wildfire model is not available for this location yet.
Current air quality
Harding-Birch Lakes: Unavailable · Salcha: Unavailable
A score difference cannot be calculated without both sources.
Harding-Birch Lakes: Air quality model is not available for this location yet.
Salcha: Air quality model is not available for this location yet.